Q: Is 111,423 a Prime Number?

A: No, 111,423 is not a prime number.

Why is 111,423 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 111423 can be evenly divided by 1 3 13 39 2,857 8,571 37,141 and 111,423, with no remainder.

Since 111,423 cannot be divided by just 1 and 111,423, it is not a prime number.

Number	111,421	111,422	111,424	111,425
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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